What one plastic item am I willing to give up or replace this week?
Lentils in plastic bags

What other conclusions, if any, can I draw?
We’re getting better, and have made some significant changes over the past month. However, because there is already so much plastic in the house, it will take a while to see the full impact on our weekly challenges.

Clean Water Action is actively working on styrofoam bans. Here is their Phase Out Foam page with lots of links. You could contact someone at Clean Water Action and ask what you could do to get started in your community: